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PartsTable / COMPONENT / MS51846-105
MS51846-105 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The NIPPLE,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 230 OVERALL, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: LONG, nominal_thread_size: 1.000 INCHES ALL ENDS IN, nominal_overall_length: 4.500 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-196-2011, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MS51846-105
NSN: 4730-00-196-2011
FSC: 4730
CAGE: 03958 — MINDECO CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY 230 OVERALL
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorLONG
nominal_thread_size1.000 INCHES ALL ENDS IN
nominal_overall_length4.500 INCHES IN
end_item_identificationMULTI APPLICATION
thread_series_designatorNPT ALL ENDS
specification/standard_data81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
material_document_and_classificationASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-196-2011
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS51846-105 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: LONG
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 4.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT ALL ENDS
END ITEM IDENTIFICATIONMULTI APPLICATION
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
STYLE DESIGNATORLONG
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
NOMINAL OVERALL LENGTH4.500 INCHES IN
THREAD SERIES DESIGNATORNPT ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SPECIFICATION/STANDARD DATA81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
WW-N-351Interchangeable
interchangeable cross-reference
interchangeable
MS51846-193Interchangeable
interchangeable cross-reference
interchangeable
B687R-193BInterchangeable
interchangeable cross-reference
interchangeable
113RB-A3Interchangeable
interchangeable cross-reference
interchangeable
113B1-8X3Interchangeable
interchangeable cross-reference
interchangeable
ASTM B687Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51846-105?
MS51846-105 is a NIPPLE,PIPE.
What parts can replace MS51846-105?
There are 21 known substitutes for MS51846-105: WW-N-351, MS51846-193, B687R-193B and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS51846-105?
MS51846-105 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-196-2011. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026